N42B1P Dahua All-Star Dealer Program


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4-channel 4K Network Video Recorder

  • H.265 and H.264 Video Compression
  • Maximum 200 Mbps Incoming Bandwidth
  • Up to 8 MP Resolution for Preview and Playback
  • Simultaneous HDMI and VGA Video Output
  • Support for IPC and UPnP Protocols
  • Four (4) PoE Ports
  • Support for Automatic Network Replenishment (ANR) Technology
Main Processor Embedded Quad-core Processor
Operating System Embedded Linux
Audio and Video
IP Camera Input Four (4) Channels
Two-way Talk Input: One (1) Channel, RCA
Output: One (1) Channe, RCA
Interface One (1) HDMI
One (1) VGA
Resolution 3840 x 2160, 1920 x 1080, 1280 x 1024,
1280 x 720, 1024 x 768
Multi-screen Display 1/4
On-screen Display Camera Title, Time, Video Loss, Camera Lock, Motion Detection, Recording
Compression H.265, H.264, MJPEG
Resolution 8 MP, 6 MP, 5 MP, 4 MP, 3 MP, 1080p, 1.3 MP, 720p, D1, CIF,
Record Rate 200 Mbps
Bit Rate 16 Kbps to 20 Mbps per channel
Record Mode Manual, Schedule (Regular, Continuous), Motion Detection (Video Detection, Motion Detection, Tampering, Video Loss), Stop
Record Interval 1 to 120 minutes (default: 60 minutes)
Pre-record: 1 to 30 s
Post-record: 10 to 300 s
Video Detection and Alarm
Trigger Events Recording, PTZ, Tour, Alarm Out, Video Push, Email, FTP, Snapshot, Buzzer and Screen Tips
Video Detection Motion Detection, MD Zones: 396 (22 x 18), Video Loss and Tampering
Alarm Input Four (4) Channels,
Low Level Effective, Green Terminal Interface
Relay Output Two (2) Channels,
NO/NC Programmable, Green Terminal Interface
Playback and Backup
Sync Playback 1/4
Search Mode Time/Date, Alarm, MD and Exact Search (accurate to one second), Smart Search
Playback Function Play, Pause, Stop, Rewind, Fast Play, Slow Play,
Next File, Previous File, Next Camera,
Previous Camera, Full Screen, Repeat, Shuffle,
Backup Selection, Digital Zoom
Backup Mode USB Device, Network
Third-party Support Dahua, Arecont Vision, AXIS, Bosch, Brickcom, Canon, CP Plus, Dynacolor, Honeywell, Panasonic, Pelco, Samsung, Sanyo, Sony, Videotec, Vivotek, and others
Interface One (1) RJ-45 Port (10/100/1000 Mbps)
Ethernet Port One (1) Independent 1000 Mbps Ethernet Port
PoE Four (4) Ports (IEEE802.3af/at)
Network Function HTTP, HTTPs, TCP/IP, IPv4/IPv6, UPnP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPoE, DDNS, FTP, Alarm Server, IP Search (Support for Dahua IP cameras, DVRs, NVS)
Maximum User Access 128 Users
Mobile Operating System IOS, Android
Interoperability ONVIF 2.4, CGI Conformant
Internal HDD Two (2) SATA III Ports,
Up to 6 TB capacity for each HDD
HDD Mode Single
Auxiliary Interface
USB One (1) USB 3.0 Port
One (1) USB 2.0 Port
Power Supply 48 VDC, 2 A
Power Consumption NVR: < 9 W, without HDD
PoE: Maximum 25.5 W, single port; 50 W in total
Operating Conditions -10° C to +55° C (+14° F to +131° F)
Storage Conditions -20° C to +70° C (-4° F to +158° F), 0 to 90% RH
Dimensions 1U, 375.0 mm x 281.50 mm x 56.0 mm
(14.80 in. x 11.10 in. x 2.20 in.)
Net Weight 1.6 kg (3.53 lb), without HDD
Gross Weight 3.2 kg (7.05 lb), without HDD
Safety UL 60950-1
CAN/CSA C22.2 No.60960-1
Electromagnetic Compatibility (EMC) FCC Part 15 Subpart B
ANSI C63.4-2014
IVS triggers an alarm and takes a defined action for the following events:
Standard Features Tampering with the camera.
Camera loses or changes focus drastically.
Error writing to an onboard Micro SD card.
Error sending or receiving data over the network.
Unauthorized access to the camera.
Premium Features
Motion An object moves through any part of the scene.
Tripwire A target crosses a user-defined line.
Intrusion A target enters or exits a defined perimeter.
Scene Change A person or object moves the camera to change the scene or covers the camera to obscure the scene.
Abandoned/Missing Object A target leaves an object in designated area, or a target removes an object from the same designated area.
Advanced Features (records data from IP cameras with Advanced Features)
Facial Detection Detects and captures a snapshot of a human face in a defined area within a scene.
People Counting Measure the number of customers, visitors or passengers in a surveillance scene.
Heat Map Generates a visual representation of data.